Mr. Zhang was very busy at work and didn't go home for five days. After returning home, he tore off the calendar of the five days. The sum of the five days' dates is 45. What's the date of Mr. Zhang's coming home?

Mr. Zhang was very busy at work and didn't go home for five days. After returning home, he tore off the calendar of the five days. The sum of the five days' dates is 45. What's the date of Mr. Zhang's coming home?

Let the number in the middle of the five numbers be x, then the consecutive numbers are X-2, X-1, x, x + 1, x + 2, with X-2 + X-1 + X + X + 1 + X + 2 = 45. The solution is: x = 9, the day when I go home is x + 3 = 12. A: the day when Mr. Zhang goes home is the 12th

This year, Wang Lin's family did not tear the calendar at home during their three-day trip. Wang Lin even tore three calendars when she returned home. The sum of the dates of these three calendars is 56?

Generally, we do
If the sum of the three days is 56
Let's start with 3 / 56 = 18.67
Let's start with the first possible situation. The number starts at least 10
The closest is 17 + 18 + 19 = 54 + 56
So 18 + 19 + 20 = 57
So it's impossible
Then we assume it's a normal year
It's only 28 days in February
We use the 27th and 28th, plus the 1st of March
27+28+1=56.
If you tear these three off
It was March 2nd when they came back
(pure hand,

Xiao Ming and his mother went to live in grandma's house for a few days. When they came home, the calendar on the wall had not been torn for nine days. He tore off nine pages at a time, which is very important
The sum of these 9 days is exactly 45. What date did Xiao Ming and his mother go to grandma's house in August?

I don't understand what you're asking